Bluez PAN Issue
From: Himanshu Gusain <hidden>
Date: 2018-06-08 04:57:41
Hi All
i am having trouble connecting a custom linux board (PANU) to my Nexus 6
device (NAP) which has bluetooth tethering enabled
Below is the hcidump of the issue i am facing
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# bt-network --connect DC:D9:16:E3:3C:1D nap
< HCI Command: Create Connection (0x01|0x0005) plen 13
bdaddr DC:D9:16:E3:3C:1D ptype 0xcc18 rswitch 0x01 clkoffset 0x0000
Packet type: DM1 DM3 DM5 DH1 DH3 DH5HCI Event: Command Status (0x0f) plen 4
Create Connection (0x01|0x0005) status 0x00 ncmd 1
HCI Event: Role Change (0x12) plen 8
status 0x00 bdaddr DC:D9:16:E3:3C:1D role 0x01
Role: SlaveHCI Event: Connect Complete (0x03) plen 11
status 0x00 handle 12 bdaddr DC:D9:16:E3:3C:1D type ACL encrypt 0x00
HCI Event: Max Slots Change (0x1b) plen 3
handle 12 slots 5
< HCI Command: Read Remote Supported Features (0x01|0x001b) plen 2
handle 12HCI Event: Command Status (0x0f) plen 4
Read Remote Supported Features (0x01|0x001b) status 0x00 ncmd 1
HCI Event: Read Remote Supported Features (0x0b) plen 11
status 0x00 handle 12
Features: 0xbf 0xfe 0xcf 0xfe 0xdb 0xff 0x7b 0x87
< HCI Command: Read Remote Extended Features (0x01|0x001c) plen 3
handle 12 page 1ACL data: handle 12 flags 0x02 dlen 10
L2CAP(s): Info req: type 2
HCI Event: Command Status (0x0f) plen 4
Read Remote Extended Features (0x01|0x001c) status 0x00 ncmd 1
HCI Event: Read Remote Extended Features (0x23) plen 13
status 0x00 handle 12 page 1 max 2
Features: 0x0f 0x00 0x00 0x00 0x00 0x00 0x00 0x00HCI Event: Link Supervision Timeout Change (0x38) plen 4
handle 12 timeout 8000
< HCI Command: Remote Name Request (0x01|0x0019) plen 10
bdaddr DC:D9:16:E3:3C:1D mode 2 clkoffset 0x0000HCI Event: Command Status (0x0f) plen 4
Remote Name Request (0x01|0x0019) status 0x00 ncmd 1
HCI Event: Remote Name Req Complete (0x07) plen 255
status 0x00 bdaddr DC:D9:16:E3:3C:1D name 'Nexus 6P'
< HCI Command: Authentication Requested (0x01|0x0011) plen 2
handle 12HCI Event: Command Status (0x0f) plen 4
Authentication Requested (0x01|0x0011) status 0x00 ncmd 1
HCI Event: Link Key Request (0x17) plen 6
bdaddr DC:D9:16:E3:3C:1D
< HCI Command: Link Key Request Reply (0x01|0x000b) plen 22
bdaddr DC:D9:16:E3:3C:1D key 672F7591F8712BC8F124A6B1ADCC9B8FHCI Event: Command Complete (0x0e) plen 10
Link Key Request Reply (0x01|0x000b) ncmd 1
status 0x00 bdaddr DC:D9:16:E3:3C:1DHCI Event: Auth Complete (0x06) plen 3
status 0x00 handle 12
< HCI Command: Set Connection Encryption (0x01|0x0013) plen 3
handle 12 encrypt 0x01HCI Event: Command Status (0x0f) plen 4
Set Connection Encryption (0x01|0x0013) status 0x00 ncmd 1
HCI Event: Encrypt Change (0x08) plen 4
status 0x00 handle 12 encrypt 0x01
< ACL data: handle 12 flags 0x00 dlen 10
L2CAP(s): Info req: type 2
< ACL data: handle 12 flags 0x00 dlen 16
L2CAP(s): Info rsp: type 2 result 0
Extended feature mask 0x02b8
Enhanced Retransmission mode
Streaming mode
FCS Option
Fixed Channels
Unicast Connectless Data ReceptionHCI Event: Number of Completed Packets (0x13) plen 5
handle 12 packets 2
ACL data: handle 12 flags 0x02 dlen 16
L2CAP(s): Info rsp: type 2 result 0
Extended feature mask 0x00b8
Enhanced Retransmission mode
Streaming mode
FCS Option
Fixed ChannelsACL data: handle 12 flags 0x02 dlen 10
L2CAP(s): Info req: type 3
< ACL data: handle 12 flags 0x00 dlen 10
L2CAP(s): Info req: type 3
< ACL data: handle 12 flags 0x00 dlen 20
L2CAP(s): Info rsp: type 3 result 0
Fixed channel list 0x00000006
L2CAP Signalling Channel
L2CAP ConnlessHCI Event: Number of Completed Packets (0x13) plen 5
handle 12 packets 2
ACL data: handle 12 flags 0x02 dlen 20
L2CAP(s): Info rsp: type 3 result 0
Fixed channel list 0x00000082
L2CAP Signalling Channel
< ACL data: handle 12 flags 0x00 dlen 12
L2CAP(s): Connect req: psm 15 scid 0x0040ACL data: handle 12 flags 0x02 dlen 16
L2CAP(s): Connect rsp: dcid 0x0047 scid 0x0040 result 0 status 0
Connection successfulACL data: handle 12 flags 0x02 dlen 16
L2CAP(s): Config req: dcid 0x0040 flags 0x00 clen 4
MTU 1691
< ACL data: handle 12 flags 0x00 dlen 27
L2CAP(s): Config req: dcid 0x0047 flags 0x00 clen 15
MTU 1691
RFC 0x00 (Basic)
< ACL data: handle 12 flags 0x00 dlen 18
L2CAP(s): Config rsp: scid 0x0047 flags 0x00 result 0 clen 4
MTU 1691HCI Event: Number of Completed Packets (0x13) plen 5
handle 12 packets 2
ACL data: handle 12 flags 0x02 dlen 14
L2CAP(s): Config rsp: scid 0x0040 flags 0x00 result 0 clen 0
Success
< ACL data: handle 12 flags 0x00 dlen 11
L2CAP(d): cid 0x0047 len 7 [psm 15]
BNEP: Control(0x01|0)
Setup Req(0x01) size 0x02 dst 0x1116(NAP) src 0x1115(PANU)HCI Event: Number of Completed Packets (0x13) plen 5
handle 12 packets 2
ACL data: handle 12 flags 0x02 dlen 8
L2CAP(d): cid 0x0040 len 4 [psm 15]
BNEP: Control(0x01|0)
Setup Rsp(0x02) res 0x0000
Segmentation fault
# > ACL data: handle 12 flags 0x02 dlen 77
L2CAP(d): cid 0x0040 len 73 [psm 15]
BNEP: Compressed DestOnly(0x04|0)
dst 33:33:ff:e3:3c:1d [proto 0x86dd]
IPV6: src :: dst ff02::1:ffe3:3c1d
ICMPv6:
ACL data: handle 12 flags 0x02 dlen 89
L2CAP(d): cid 0x0040 len 85 [psm 15]
BNEP: Compressed DestOnly(0x04|0)
dst 33:33:00:00:00:16 [proto 0x86dd]
IPV6: src :: dst ff02::16
Unknown Protocol: 0x00
< ACL data: handle 12 flags 0x00 dlen 12
L2CAP(s): Disconn req: dcid 0x0047 scid 0x0040
ACL data: handle 12 flags 0x02 dlen 89
L2CAP(d): cid 0x0040 len 85 [psm 15]
BNEP: Compressed DestOnly(0x04|0)
dst 33:33:00:00:00:16 [proto 0x86dd]
IPV6: src fe80::ded9:16ff:fee3:3c1d dst ff02::16
Unknown Protocol: 0x80
ACL data: handle 12 flags 0x02 dlen 149
L2CAP(d): cid 0x0040 len 145 [psm 15]
BNEP: Compressed DestOnly(0x04|0)
dst 33:33:00:00:00:16 [proto 0x86dd]
IPV6: src fe80::ded9:16ff:fee3:3c1d dst ff02::16
Unknown Protocol: 0x80
ACL data: handle 12 flags 0x02 dlen 12
L2CAP(s): Disconn rsp: dcid 0x0047 scid 0x0040
HCI Event: Number of Completed Packets (0x13) plen 5
handle 12 packets 1
< HCI Command: Disconnect (0x01|0x0006) plen 3
handle 12 reason 0x13
Reason: Remote User Terminated ConnectionHCI Event: Command Status (0x0f) plen 4
Disconnect (0x01|0x0006) status 0x00 ncmd 1
HCI Event: Disconn Complete (0x05) plen 4
status 0x00 handle 12 reason 0x16
Reason: Connection Terminated by Local Host
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Regards
Himanshu